code: def test_unpadding(self):
      self.assertAllEqual(
          v3_utils.remove_padding_from_sc(
              array_ops.ones((4, 5)), variable_shape=(3, 2)
          ),
          array_ops.ones((3, 2)),
      )
      x = array_ops.reshape(math_ops.range(12), (3, 4))
      self.assertAllEqual(
          v3_utils.remove_padding_from_sc(x, variable_shape=(2, 2)),
          tf_constant([[0, 1], [4, 5]]),
      )
      self.assertAllEqual(
          v3_utils.remove_padding_from_sc(x, variable_shape=(3, 5)),
          x,
      )
  
file_path: tensorflow-upstream/tensorflow/python/tpu/tpu_embedding_v3_utils_test.py
imports: import collections
  from absl.testing import parameterized
  from tensorflow.python.compat import v2_compat
  from tensorflow.python.framework.constant_op import constant
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
  from tensorflow.python.tpu import tpu_embedding_v3_utils
label_desc: Use image node_id 1 for calling the TpuEmbeddingV3UtilsTest obj's underlying member method code with example usage: obj.test_unpadding() without return types